Despite their limited use for testing wall chargers and power banks, USB inline testers let you compare power sources. In three videos, we take you through their features, and we also try an inline ...
Discover how to build a simple device that converts light into electricity using LEDs and diodes. This step-by-step guide ...
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VU meter DIY kit with LEDs | LM3915N-1 LED driver
This time I bring an electronic kit for beginners, this is a very cheap and interesting device that displays audio levels into the LEDs just like any audio level bar indicator will do. It is simple ...
Calculate the total resistance of the circuit. Calculate the current flowing in the \({3}\Omega\) resistor. Calculate the voltage across the \({8}\Omega\) resistor. Calculate the current flowing in ...
Over on YouTube [Andrew Neal] has a Function Generator Build for Beginners. As beginner videos go this one is fairly ...
Warning: This graphic requires JavaScript. Please enable JavaScript for the best experience. Updated March 11 at 2:18 p.m. A third round of stimulus checks, part of ...
The Joule Thief Circuit is a simple and clever electronic design that can power an LED using a nearly dead battery.
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